King Charles knights Brian May, of rock group Queen, at Buckingham Palace

King Charles III knighted Brian May, co-founder of the rock group Queen, during a Tuesday investiture ceremony at Buckingham Palace, the royal family announced. In addition to his fame as a rock guitarist, May is also an astrophysicist.

May, now formally known as Sir Brian May, was made a Knight Bachelor for his services to music and charity. Saxophonist YolanDa Brown was also honored at the Tuesday ceremony.

Anita Dobson, May's wife, was also in attendance. On Instagram, May shared a photo showing King Charles laying a sword on his shoulder.